00001 #ifndef __OOUC_TOKENIZER__ 00002 #define __OOUC_TOKENIZER__ 00003 /******************************************************************************/ 00004 /* */ 00005 /* X r d O u c T o k e n i z e r . h h */ 00006 /* */ 00007 /* (c) 2004 by the Board of Trustees of the Leland Stanford, Jr., University */ 00008 /* Produced by Andrew Hanushevsky for Stanford University under contract */ 00009 /* DE-AC02-76-SFO0515 with the Deprtment of Energy */ 00010 /* */ 00011 /* This file is part of the XRootD software suite. */ 00012 /* */ 00013 /* XRootD is free software: you can redistribute it and/or modify it under */ 00014 /* the terms of the GNU Lesser General Public License as published by the */ 00015 /* Free Software Foundation, either version 3 of the License, or (at your */ 00016 /* option) any later version. */ 00017 /* */ 00018 /* XRootD is distributed in the hope that it will be useful, but WITHOUT */ 00019 /* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or */ 00020 /* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public */ 00021 /* License for more details. */ 00022 /* */ 00023 /* You should have received a copy of the GNU Lesser General Public License */ 00024 /* along with XRootD in a file called COPYING.LESSER (LGPL license) and file */ 00025 /* COPYING (GPL license). If not, see <http://www.gnu.org/licenses/>. */ 00026 /* */ 00027 /* The copyright holder's institutional names and contributor's names may not */ 00028 /* be used to endorse or promote products derived from this software without */ 00029 /* specific prior written permission of the institution or contributor. */ 00030 /******************************************************************************/ 00031 00032 class XrdOucTokenizer 00033 { 00034 public: 00035 00036 XrdOucTokenizer(char *bp) {Attach(bp);} 00037 00038 ~XrdOucTokenizer() {} 00039 00040 // Attach a new buffer to the tokenizer. 00041 // 00042 void Attach(char *bp); 00043 00044 // Get the next record from a buffer. Return null upon eof or error. 00045 // 00046 char *GetLine(); 00047 00048 // Get the next blank-delimited token in the record returned by Getline(). A 00049 // null pointer is returned if no more tokens remain. Each token is terminated 00050 // a null byte. Note that the record buffer is modified during processing. The 00051 // routine may optionally return a pointer to the remainder of the line with 00052 // no leading blanks. The lowcase argument, if 1, converts all letters to lower 00053 // case in the token. 00054 // 00055 char *GetToken(char **rest=0, int lowcase=0); 00056 00057 // RetToken() simply backups the token scanner the last tken returned. Only 00058 // one backup is allowed. 00059 // 00060 void RetToken(); 00061 00062 // A 0 indicates that tabs in the stream should be converted to spaces. 00063 // A 1 inducates that tabs should be left alone (the default). 00064 // 00065 void Tabs(int x=1) {notabs = !x;} 00066 00067 /******************************************************************************/ 00068 00069 private: 00070 char *buff; 00071 char *token; 00072 char *tnext; 00073 int notabs; 00074 }; 00075 #endif